<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        *{
            padding: 0;
            margin: 0;
        }
        .bigBox {
            width: 100vw;
            height: 100vh;
            overflow: hidden;
            background-color: rgba(255, 192, 203, 0.479);
        }

        .box {
            width: 100%;
            height: 80%;
            /* background-color: aqua; */
            margin: 80px auto;
        }
    </style>
</head>

<body>
    <div class="bigBox">
        <!-- ==================  饼图1   ==================== -->
        <div class="box" id="main"></div>
    </div>
</body>

<script src="./echarts.min.js"></script>
<script>

    var chartDom = document.getElementById('main');
    var myChart = echarts.init(chartDom);
    var option;

    option = {
        legend: {
            top: 'bottom'
        },
        toolbox: {
            show: true,
            feature: {
                mark: { show: true },
                dataView: { show: true, readOnly: false },
                restore: { show: true },
                saveAsImage: { show: true }
            }
        },
        series: [
            {
                name: 'Nightingale Chart',
                type: 'pie',
                radius: [50, 250],
                center: ['50%', '50%'],
                roseType: 'area',
                itemStyle: {
                    borderRadius: 8
                },
                data: [
                    { value: 40, name: 'rose 1' },
                    { value: 38, name: 'rose 2' },
                    { value: 32, name: 'rose 3' },
                    { value: 30, name: 'rose 4' },
                    { value: 28, name: 'rose 5' },
                    { value: 26, name: 'rose 6' },
                    { value: 22, name: 'rose 7' },
                    { value: 18, name: 'rose 8' }
                ]
            }
        ]
    };

    option && myChart.setOption(option);

</script>

</html>